There are many types of lithium batteries. The ones that have been used on an electric car are lithium ion. It’s the same type of battery used on our laptop computers. Unfortunately, they are ridiculously expensive.

For the time being, lithium ion batteries are only used on high end electric vehicle such as the Tesla Roadster. The Tesla Roadster battery pack has more than 6000 lithium ion batteries linked together. You can check out Tesla Roadster Video here.

Most DIY electric car will used deep cycle batteries to power the electric motor. They are the same type used on golf carts.